<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true">
				<el-form-item>
					<el-input v-model="keyword" placeholder="文章类型名"></el-input>
				</el-form-item>
				<!-- <el-form-item>
					<el-date-picker
						v-model="time"
						type="daterange"
						range-separator="至"
						start-placeholder="开始日期"
						end-placeholder="结束日期">
					</el-date-picker>
				</el-form-item> -->
				<el-form-item>
					<el-button type="warning" v-on:click="keywordQuery">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		
		<!--列表v-loading="listLoading"-->
		<el-table :data="tableDatas" v-loading="listLoading" @selection-change="handleSelectionChange" highlight-current-row
			style="width: 100%;">
			<!--多选框-->
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="70" label="序号">
			</el-table-column>
			<el-table-column prop="typeName" label="文章类型名称" width="160" show-overflow-tooltip>
			</el-table-column>
			<el-table-column prop="status" label="类型状态" width="150">
				<template scope="scope">
                    <span v-if="!scope.row.status" style="color: red;">已弃用</span>
					<span v-if="scope.row.status" style="color: green;">启用</span>
				</template>
			</el-table-column>
			<el-table-column prop="createTime" label="创建时间" width="150">
			</el-table-column>
			<el-table-column prop="updateTime" label="修改时间" width="150">
			</el-table-column>
			<el-table-column prop="parentTypeName" label="父类型" width="120" show-overflow-tooltip>
			</el-table-column>
			<el-table-column label="操作">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>
		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" :disabled="this.sels.length === 0" @click="handlePatchDel">批量删除</el-button>
			<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="currentPage"
				:page-sizes="[5, 10, 15]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper"
				:total="totals" style="float:right;" background>
			</el-pagination>
		</el-col>

		<!--添加或修改界面-->
		<el-dialog title="保存信息" :visible.sync="saveFormVisible" :close-on-click-modal="false">
			<el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
				<el-form-item label="类型名称" prop="typeName">
					<el-input v-model="saveForm.typeName" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="类型状态">
					<template>
						<el-radio v-model="saveForm.status" label="1">可用</el-radio>
						<el-radio v-model="saveForm.status" label="0">不可用</el-radio>
					</template>
				</el-form-item>
				<el-form-item label="父类型">
					<el-cascader
						v-model="saveForm.parentId"
						:options="typeTree"
						:props="{value:'id',label:'typeName', checkStrictly: true ,emitPath:false}"
						clearable>
					</el-cascader>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="saveFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="saveSubmit">提交</el-button>
			</div>
		</el-dialog>
	</section>
</template>

<script>

export default {
	data() {
		return {
			typeTree:[],
			//1.分页查询相关数据
			totals: 0,//总记录条数
			currentPage: 1,//当前页,要传递到后台的
			pageSize: 5, //每页显示多少条
			tableDatas: [], //当前页数据
			listLoading: false,

			//2.高级查询相关数据
			keyword: '',
			time:'',
			startTime:'',
			endTime:'',

			//3.删除相关数据

			//4.批量删除相关数据
			sels: [], //存储多选记录

			//5.添加和修改相关数据
			saveFormVisible: false,
			saveForm: {
				id: null,
				typeName: '',
				status: "",
				parentTypeName: ''
			},

			//6.添加和修改校验规则-表单项校验
			saveFormRules: {
				typeName: [
					{ required: true, message: '请输入类型名称', trigger: 'blur' }
				]
			},

		}
	},
	methods: {
		//1.分页查询相关方法
		//1.1.获取列表数据
		getTableData() {
			var params = {
				pageSize: this.pageSize,
				currentPage: this.currentPage,
				keyword: this.keyword,
			};

			this.$http.post("/articleType",params).then(res=>{
				if(res.data.success){
					this.tableDatas = res.data.data.list;
					this.totals = res.data.data.total;
				}
			})
		},
		//1.2.选择第几页时触发
		handleCurrentChange(curentPage) {
			this.currentPage = curentPage;
			this.getTableData();
		},
		//1.3.选择每页显示记录条数时触发
		handleSizeChange(pageSize) {
			this.pageSize = pageSize;
			this.getTableData();
		},

		//2.高级查询相关方法
		keywordQuery() {
			this.currentPage = 1;
			this.getTableData();
		},

		//3.删除相关方法
		handleDel(row) {
			this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
				type: 'warning'
				}).then(() => {
					this.$http.delete("/articleType/"+row.id).then(res=>{
						if(res.data.success){
							this.$message({
								type:'success',
								message: '删除成功'
							})
							this.getTableData();
						}else{
							// 发生后端代码错误提示
							this.$message.error("网络波动，请重试。");
						}
					}).catch(res=>{
						// 前端400/404错误提示
						this.$message.error("网络波动，请重试。");
					})	
				}).catch(() => {
				this.$message({
					type: 'info',
					message: '已取消删除'
				});          
			});
		},


		//4.批量删除相关方法
		//4.1.选项改变时触发
		handleSelectionChange(val) {
			this.sels=val;
		},
		//4.2.批量删除
		handlePatchDel() {
			var ids = this.sels.map(obj=>obj.id);
			this.$confirm('此操作将永久删除这些文件, 是否继续?', '提示', {
				type: 'warning'
				}).then(() => {
					this.$http.patch("/articleType/",ids).then(res=>{
						if(res.data.success){
							this.$message({
								type:'success',
								message: '删除成功'
							})
							this.getTableData();
						}else{
							// 发生后端代码错误提示
							this.$message.error("网络波动，请重试。");
						}
					}).catch(res=>{
						// 前端400/404错误提示
						this.$message.error("网络波动，请重试。");
					})	
				}).catch(() => {
				this.$message({
					type: 'info',
					message: '已取消删除'
				});          
			});
		},

		//5.添加和修改相关方法
		getTypeTree(){
			this.$http.get("/articleType/typeTree").then((res)=>{
				this.typeTree = res.data.data;
			})
		},
		//5.1.点击添加弹出对话框
		handleAdd() {
			this.saveForm={
				id: null,
				typeName: '',
				status: '1',
				parentTypeName: ''
			};
			this.saveFormVisible=true;
			if(this.$refs["saveForm"]){
				this.$refs["saveForm"].clearValidate();
			}
			this.getTypeTree();
		},
		//5.2.点击修改弹出对话框
		handleEdit(row) {
			this.saveForm=Object.assign({},row);
			this.saveForm.status=JSON.stringify(row.status);
			this.getTypeTree();
			if(this.$refs["saveForm"]){
				this.$refs["saveForm"].clearValidate();
			}
			this.saveFormVisible=true;
		},
		//5.3.提交表单数据操作数据库
		saveSubmit() {
			this.$refs.saveForm.validate((valid) => {
				if (valid) {
					this.$http.put("/articleType",this.saveForm).then(res=>{
					console.log(res.data);
					if (res.data.success){
						this.$message({
							type:'success',
							message: '操作成功'
						})
						this.getTableData();
					}else{
						// 发生后端代码错误提示
						this.$message.error("网络波动，请重试。");
					}
					this.saveFormVisible=false;})
			}else {
            this.$message.error("校验未通过");
				}
			});
		},
	},
	mounted() {
		this.getTableData();
	}
}

</script>

<style scoped></style>
